Hi, kernel test robot noticed the following build errors: [auto build test ERROR on tty/tty-testing] [also build test ERROR on tty/tty-next tty/tty-linus robh/for-next usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.11-rc1 next-20240802] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/zhenghaowei-loongson-cn/tty-serial-8250-Add-loongson-uart-driver-support/20240804-145047 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing patch link: https://lore.kernel.org/r/20240804063834.70022-2-zhenghaowei%40loongson.cn patch subject: [PATCH v2 2/3] tty: serial: 8250: Add loongson uart driver support config: mips-lemote2f_defconfig (https://download.01.org/0day-ci/archive/20240805/202408050031.dYYkSqDM-lkp@xxxxxxxxx/config) compiler: mips64el-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240805/202408050031.dYYkSqDM-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408050031.dYYkSqDM-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> drivers/tty/serial/8250/8250_loongson.c:200:35: error: implicit declaration of function 'of_match_ptr' [-Werror=implicit-function-declaration] 200 | .of_match_table = of_match_ptr(of_platform_serial_table), | ^~~~~~~~~~~~ >> drivers/tty/serial/8250/8250_loongson.c:200:35: warning: initialization of 'const struct of_device_id *' from 'int' makes pointer from integer without a cast [-Wint-conversion] drivers/tty/serial/8250/8250_loongson.c:200:35: note: (near initialization for 'loongson_uart_driver.driver.of_match_table') >> drivers/tty/serial/8250/8250_loongson.c:200:35: error: initializer element is not constant drivers/tty/serial/8250/8250_loongson.c:200:35: note: (near initialization for 'loongson_uart_driver.driver.of_match_table') cc1: some warnings being treated as errors vim +/of_match_ptr +200 drivers/tty/serial/8250/8250_loongson.c 193 194 static struct platform_driver loongson_uart_driver = { 195 .probe = loongson_uart_probe, 196 .remove = loongson_uart_remove, 197 .driver = { 198 .name = "ls7a-uart", 199 .pm = &loongson_uart_pm_ops, > 200 .of_match_table = of_match_ptr(of_platform_serial_table), 201 }, 202 }; 203 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
